Index: gcc/gcc.c =================================================================== --- gcc/gcc.c.orig 2013-11-26 15:41:59.000000000 +0100 +++ gcc/gcc.c 2013-11-26 16:40:35.780548125 +0100 @@ -258,6 +258,7 @@ static const char *replace_outfile_spec_ static const char *remove_outfile_spec_function (int, const char **); static const char *version_compare_spec_function (int, const char **); static const char *include_spec_function (int, const char **); +static const char *include_noerr_spec_function (int, const char **); static const char *find_file_spec_function (int, const char **); static const char *find_plugindir_spec_function (int, const char **); static const char *print_asm_header_spec_function (int, const char **); @@ -1357,6 +1358,7 @@ static const struct spec_function static { "remove-outfile", remove_outfile_spec_function }, { "version-compare", version_compare_spec_function }, { "include", include_spec_function }, + { "include_noerr", include_noerr_spec_function }, { "find-file", find_file_spec_function }, { "find-plugindir", find_plugindir_spec_function }, { "print-asm-header", print_asm_header_spec_function }, @@ -6480,6 +6482,8 @@ main (int argc, char **argv) if (access (specs_file, R_OK) == 0) read_specs (specs_file, true, false); + do_self_spec ("%:include_noerr(defaults.spec)%(default_spec)"); + /* Process any configure-time defaults specified for the command line options, via OPTION_DEFAULT_SPECS. */ for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) @@ -8401,6 +8405,21 @@ get_random_number (void) return ret ^ getpid (); } +static const char * +include_noerr_spec_function (int argc, const char **argv) +{ + char *file; + + if (argc != 1) + abort (); + + file = find_a_file (&startfile_prefixes, argv[0], R_OK, 0); + if (file) + read_specs (file, FALSE, TRUE); + + return NULL; +} + /* %:compare-debug-dump-opt spec function. Save the last argument, expected to be the last -fdump-final-insns option, or generate a temporary. */